Home / 609,541.28-914,372.06-210,129.47

Finding the Fourth Proportional to 609,541.28, 914,372.06 and 210,129.47

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Solution

The fourth proportional to 609,541.28, 914,372.06 and 210,129.47 is: 315,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,541.28 : 914,372.06 = 210,129.47 : x
  2. Step 2: Convert to fraction form
    609,541.28/914,372.06 = 210,129.47/x
  3. Step 3: Cross multiply
    609,541.28x = 914,372.06 × 210,129.47
  4. Step 4: Simplify right side
    609,541.28x = 192,136,510,728.10
  5. Step 5: Solve for x
    x = 192,136,510,728.10/609,541.28
  6. Step 6: Final answer
    x = 315,214.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.